Webcart Multi-vendor eCommerce Marketplace module helps you to create any marketplace and allow vendors / store owners to sell or supply products from your site.
Demo: https://codecanyon.net/item/webcart-multivendor-ecommerce-marketplace/23437961
Webcart is a powerful Multi-Store Shopping Cart Software. It is a platform building an online store.
Demo: https://codecanyon.net/item/webcart-multi-store-ecommerce-shopping-cart-solution/22986124